It expresses anger, it can be used to emphasize something, express surprise or disgust. It can be considered a mild curse or a soft vulgar word. It can also be used informally to emphasize something.
Dimwit
A mild swear word that refers to a person of little intelligence or who lacks common sense.
Doofus
This word is a colloquial or vulgar expression used in English to refer to someone who is clumsy or stupid.
Duffer
This swear word is used to refer to people who have screwed up on a particular task. It also refers to a stupid and incompetent person. Although this insult is of British origin, it's used in Australia to refer to cattle rustlers.
Dunce
A term used to describe a person considered stupid or unintelligent. Many years ago, teachers used to make slow students wear a conical hat called "dunce cap".
Dick
Used to insult a person, especially a man who is considered unpleasant or vulgar, although literally it means a penis.
Dickhead
This swear word or vulgar expression is specifically intended for annoying, despicable, or unpleasant people.
Dipshit
A swear word used to describe someone who is stupid or incompetent. The word suggests that the person doesn't have much intelligence or ability.
Dodgy
An Australian term used to describe something or someone who is dangerous, unreliable, or dishonest. It can also refer to risky or insecure situations.
Dork
Used in English as a vulgar expression to say that a person is stupid, particularly if they don't have social skills or are unpopular.
Douchebag
An offensive insult or unpleasant person. It can be translated as "imbecile".
Dumb
This vulgar expression is a synonymous with "stupid" or "idiot", or any other word that serves to indicate a lack of intelligence or ability of a person.
Yeah yeah TAZZY putting it down let's go
Dumbass
Can be translated as "imbecile". It refers to a stupid or unintelligent person.